Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	78.98	79.10	78.82	78.89	3,416	+0.07(+0.08%)
Feb 25, 2011	78.89	78.89	78.80	78.83	1,713	+0.03(+0.04%)
Feb 24, 2011	78.77	78.80	78.70	78.80	612	+0.01(+0.02%)
Feb 23, 2011	78.82	78.82	78.76	78.78	3,958	+0.07(+0.08%)
Feb 22, 2011	78.25	78.73	78.25	78.71	3,118	+0.45(+0.57%)
Feb 18, 2011	78.02	78.27	78.02	78.27	973	+0.08(+0.11%)
Feb 17, 2011	78.24	78.31	78.13	78.18	3,088	+0.13(+0.17%)
Feb 16, 2011	78.19	78.24	77.99	78.05	3,763	-0.01(-0.01%)
Feb 15, 2011	77.98	78.11	77.98	78.06	3,024	-0.01(-0.01%)
Feb 14, 2011	77.81	78.07	77.81	78.07	3,031	+0.18(+0.24%)
Feb 11, 2011	77.70	77.96	77.70	77.89	3,032	+0.08(+0.11%)
Feb 10, 2011	77.80	77.86	77.68	77.80	1,233	-0.13(-0.16%)
Feb 09, 2011	77.76	78.07	77.73	77.93	2,635	+0.25(+0.32%)
Feb 08, 2011	77.92	77.92	77.68	77.68	1,777	-0.28(-0.35%)
Feb 07, 2011	77.86	77.99	77.86	77.96	3,578	+0.12(+0.15%)
Feb 04, 2011	78.00	78.03	77.83	77.84	3,616	-0.29(-0.37%)
Feb 03, 2011	78.25	78.33	78.13	78.13	2,612	-0.18(-0.23%)
Feb 02, 2011	78.42	78.57	78.30	78.30	1,471	-0.14(-0.17%)
Feb 01, 2011	78.62	78.63	78.42	78.44	1,787	-0.20(-0.25%)
Jan 31, 2011	78.69	78.82	78.61	78.64	5,840	-0.27(-0.34%)
Jan 28, 2011	78.64	78.91	78.64	78.91	1,854	+0.25(+0.32%)
Jan 27, 2011	78.44	78.65	78.42	78.65	3,829	+0.17(+0.22%)
Jan 26, 2011	78.65	78.65	78.41	78.48	1,156	-0.43(-0.55%)
Jan 25, 2011	78.56	78.92	78.45	78.92	3,683	+0.38(+0.49%)
Jan 24, 2011	78.53	78.61	78.53	78.53	4,506	+0.10(+0.13%)
Jan 21, 2011	78.30	78.43	78.30	78.43	1,759	+0.13(+0.17%)
Jan 20, 2011	78.54	78.54	78.26	78.30	1,474	-0.35(-0.45%)
Jan 19, 2011	78.64	78.69	78.61	78.65	3,015	+0.14(+0.18%)
Jan 18, 2011	78.56	78.58	78.48	78.50	7,154	-0.15(-0.19%)
Jan 14, 2011	78.81	78.91	78.65	78.65	3,465	-0.16(-0.20%)
Jan 13, 2011	78.65	78.86	78.57	78.81	9,313	+0.05(+0.07%)
Jan 12, 2011	78.49	78.78	78.40	78.76	5,560	+0.13(+0.16%)
Jan 11, 2011	78.69	78.69	78.51	78.63	1,842	-0.10(-0.13%)
Jan 10, 2011	78.67	78.80	78.67	78.73	3,036	+0.11(+0.14%)
Jan 07, 2011	78.52	78.70	78.52	78.62	3,535	+0.36(+0.46%)
Jan 06, 2011	78.26	78.36	78.24	78.26	56,268	+0.04(+0.06%)
Jan 05, 2011	78.32	78.32	78.08	78.22	14,278	-0.42(-0.54%)
Jan 04, 2011	78.65	78.81	78.61	78.64	13,920	+0.01(+0.02%)
Jan 03, 2011	78.52	78.75	78.52	78.63	4,547	-0.05(-0.07%)
Dec 31, 2010	78.75	78.82	78.68	78.68	1,263	+0.27(+0.35%)
Dec 30, 2010	78.30	78.57	78.30	78.41	529	-0.23(-0.29%)
Dec 29, 2010	78.12	78.64	77.99	78.64	3,711	+0.68(+0.87%)
Dec 28, 2010	78.20	78.27	77.96	77.96	3,444	-0.50(-0.63%)
Dec 27, 2010	78.07	78.45	78.07	78.45	3,347	+0.16(+0.20%)
Dec 23, 2010	78.23	78.37	78.23	78.29	4,038	-0.09(-0.11%)
Dec 22, 2010	78.44	78.45	78.34	78.38	9,049	-0.18(-0.22%)
Dec 21, 2010	78.45	78.55	78.30	78.55	4,097	+0.15(+0.20%)
Dec 20, 2010	78.74	78.74	78.40	78.40	3,762	-0.13(-0.17%)
Dec 17, 2010	78.19	78.53	78.19	78.53	2,366	+0.64(+0.83%)
Dec 16, 2010	77.76	77.91	77.68	77.89	14,537	+0.04(+0.06%)
Dec 15, 2010	78.18	78.18	77.75	77.84	7,015	-0.08(-0.11%)
Dec 14, 2010	78.15	78.26	77.27	77.93	17,651	-0.57(-0.73%)
Dec 13, 2010	78.25	78.56	78.22	78.50	105,733	+0.04(+0.05%)
Dec 10, 2010	78.66	78.66	78.38	78.47	4,753	-0.13(-0.17%)
Dec 09, 2010	78.87	78.87	78.40	78.60	11,284	+0.04(+0.05%)
Dec 08, 2010	78.55	78.56	78.33	78.56	2,771	-0.31(-0.40%)
Dec 07, 2010	79.37	79.37	78.74	78.88	7,854	-0.79(-0.99%)
Dec 06, 2010	79.35	79.66	79.35	79.66	337,558	+0.37(+0.47%)
Dec 03, 2010	79.39	79.47	79.27	79.29	4,145	+0.04(+0.05%)
Dec 02, 2010	79.08	79.38	79.08	79.25	11,341	+0.02(+0.03%)

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